CN202797954U - Power management unit (PMU) with lightning protection function - Google Patents
Power management unit (PMU) with lightning protection function Download PDFInfo
- Publication number
- CN202797954U CN202797954U CN 201220495717 CN201220495717U CN202797954U CN 202797954 U CN202797954 U CN 202797954U CN 201220495717 CN201220495717 CN 201220495717 CN 201220495717 U CN201220495717 U CN 201220495717U CN 202797954 U CN202797954 U CN 202797954U
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- China
- Prior art keywords
- lightning protection
- module
- management unit
- power management
- protection circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a PMU with a lightning protection function. The PMU comprises a control module connected with an input module and an output module respectively. The PMU is characterized by further comprising a lightning protection circuit connected with the input module and comprises a primary lightning protection module, a current jumping module and a secondary lightning protection module which are connected sequentially. According to the PMU with the lightning protection function, damage of the lightning stroke to the PMU is avoided due to arrangement of the two stage lightning protection modules, therefore safety of equipment and staff is improved, circuits are simple, and the PMU is easy to implement.
Description
Technical field
The utility model relates to power distribution, management devices, specifically relates to a kind of Power Management Unit with lightning protection function.
Background technology
Development along with computer networking technology, the day by day increase of the key equipment demands such as server, switch, various electronic equipments, its business of bearing is more and more crucial, also higher to the residing environment of equipment (such as machine room, rack etc.) requirement, all facilities that participate in key equipments operation must have high reliability and availability.For supply socket, be last one critical point of all devices electricity consumption, if it is stable not, and lack enough defencive functions, might cause expensive device damage, even the whole system collapse.
Existing PMU intelligent electric power management unit only has the general utility functions of isolation, distribution, control ﹠ monitor usually, and the protection of PMU intelligent electric power management unit itself needs external power supply lightning protection device or other lightning protection measuress just can guarantee the lightning protection needs of equipment itself and institute's management equipment, exist and other protection are relied on greatly the shortcomings such as safeguard function imperfection own.
The utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of Power Management Unit that is provided with lightning protection circuit.
In order to reach the foregoing invention purpose; the technical solution adopted in the utility model is: a kind of Power Management Unit with lightning protection function is provided; comprise respectively the control module that is connected with output module with input module; it is characterized in that: also comprise a lightning protection circuit that is connected with input module, described lightning protection circuit comprises the one-level lightning protection module that connects successively, anti-electric current transition module and secondary lightning protection module.
Further, described one-level lightning protection module comprises the first differential mode lightning protection circuit and the first common mode lightning protection circuit that is connected in parallel; Described secondary lightning protection module comprises the second differential mode lightning protection circuit and the second common mode lightning protection circuit that is connected in parallel.
Further, described electric current transition protective circuit is by inductance L
1And inductance L
2Compose in parallel, prevented that effectively the electric current on live wire and the zero line from passing through to reach transition to the infringement of late-class circuit fast.
Further, described the first differential mode lightning protection circuit is by Thermal Cutoffs F
1With piezo-resistance R
V1Be composed in series; Described the first common mode lightning protection circuit is by Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V2With piezo-resistance R
V3Be composed in series.
Further, described the second common mode lightning protection circuit is by voltage suppressor D
1With voltage suppressor D
2Be composed in series; Described the second differential mode lightning protection circuit is by voltage suppressor D
3Form.
Further, one-level lightning protection module also comprises a gas discharge tube GDT.
Preferably, described voltage suppressor D
1, voltage suppressor D
2With voltage suppressor D
3Be two-way transient voltage suppressor.
The beneficial effects of the utility model are: the two-stage lightning protection module that should arrange with the Power Management Unit of lightning protection function; avoided thunderbolt that Power Management Unit is caused damage; thereby improved equipment and personnel's fail safe, its also have circuit simple, be easy to the function such as realization.
Description of drawings
Fig. 1 is the theory diagram with the lightning protection circuit of the Power Management Unit of lightning protection function;
Fig. 2 is the circuit diagram with the lightning protection circuit of the Power Management Unit of lightning protection function.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, should comprise respectively the control module that is connected with output module with input module with Power Management Unit of lightning protection function, it is characterized in that: also comprise a lightning protection circuit that is connected with input module, described lightning protection circuit comprises the one-level lightning protection module that connects successively, anti-electric current transition module and secondary lightning protection module; Described one-level lightning protection module comprises the first differential mode lightning protection circuit and the first common mode lightning protection circuit that is connected in parallel; Described secondary lightning protection module comprises the second differential mode lightning protection circuit and the second common mode lightning protection circuit that is connected in parallel.
As shown in Figure 2, described electric current transition protective circuit is by inductance L
1And inductance L
2Compose in parallel; Described the first differential mode lightning protection circuit is by Thermal Cutoffs F
1With piezo-resistance R
V1Be composed in series; Described the first common mode lightning protection circuit is by Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V2With piezo-resistance R
V3Be composed in series; Described the second common mode lightning protection circuit is by voltage suppressor D
1With voltage suppressor D
2Be composed in series; Described the second differential mode lightning protection circuit is by voltage suppressor D
3Form; One-level lightning protection module also comprises a gas discharge tube GDT; Described voltage suppressor D
1, voltage suppressor D
2With voltage suppressor D
3Be two-way transient voltage suppressor.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement to the utility model, these improvement also fall in the protection range of the utility model claim.
Claims (7)
1. Power Management Unit with lightning protection function; comprise respectively the control module that is connected with output module with input module; it is characterized in that: also comprise a lightning protection circuit that is connected with input module, described lightning protection circuit comprises the one-level lightning protection module that connects successively, anti-electric current transition module and secondary lightning protection module.
2. the Power Management Unit with lightning protection function according to claim 1, it is characterized in that: described one-level lightning protection module comprises the first differential mode lightning protection circuit and the first common mode lightning protection circuit that is connected in parallel; Described secondary lightning protection module comprises the second differential mode lightning protection circuit and the second common mode lightning protection circuit that is connected in parallel.
3. the Power Management Unit with lightning protection function according to claim 1 and 2, it is characterized in that: described electric current transition protective circuit is by inductance L
1And inductance L
2Compose in parallel.
4. the Power Management Unit with lightning protection function according to claim 2, it is characterized in that: described the first differential mode lightning protection circuit is by Thermal Cutoffs F
1With piezo-resistance R
V1Be composed in series; Described the first common mode lightning protection circuit is by Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V2With piezo-resistance R
V3Be composed in series.
5. the Power Management Unit with lightning protection function according to claim 2, it is characterized in that: described the second common mode lightning protection circuit is by voltage suppressor D
1With voltage suppressor D
2Be composed in series; Described the second differential mode lightning protection circuit is by voltage suppressor D
3Form.
6. the Power Management Unit with lightning protection function according to claim 1, it is characterized in that: one-level lightning protection module also comprises a gas discharge tube GDT.
7. according to right 5 described Power Management Unit with lightning protection function, it is characterized in that: described voltage suppressor D
1, voltage suppressor D
2With voltage suppressor D
3Be two-way transient voltage suppressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495717 CN202797954U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495717 CN202797954U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797954U true CN202797954U (en) | 2013-03-13 |
Family
ID=47825130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220495717 Expired - Fee Related CN202797954U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538944A (en) * | 2014-11-19 | 2015-04-22 | 孙巍巍 | Novel surge protection device |
| CN112072627A (en) * | 2020-09-17 | 2020-12-11 | 成都天锐星通科技有限公司 | Power Protection Circuits and Electronic Equipment |
-
2012
- 2012-09-26 CN CN 201220495717 patent/CN202797954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538944A (en) * | 2014-11-19 | 2015-04-22 | 孙巍巍 | Novel surge protection device |
| CN112072627A (en) * | 2020-09-17 | 2020-12-11 | 成都天锐星通科技有限公司 | Power Protection Circuits and Electronic Equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200926 |